PagerDuty: Support dedup_key in notifications payload #400
Description
Expose a DedupKey field on PagerDutyV2Notification, surface it in templates, and pass it through to pagerduty.V2Event so PagerDuty can correlate repeat alerts.
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Expose a DedupKey field on PagerDutyV2Notification, surface it in templates, and pass it through to pagerduty.V2Event so PagerDuty can correlate repeat alerts.